JPH1056642A - 画像を復号する方法と装置 - Google Patents

画像を復号する方法と装置

Info

Publication number
JPH1056642A
JPH1056642A JP9111617A JP11161797A JPH1056642A JP H1056642 A JPH1056642 A JP H1056642A JP 9111617 A JP9111617 A JP 9111617A JP 11161797 A JP11161797 A JP 11161797A JP H1056642 A JPH1056642 A JP H1056642A
Authority
JP
Japan
Prior art keywords
image
transform
image data
inverse
trapezoidal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9111617A
Other languages
English (en)
Japanese (ja)
Inventor
Shivaling S Mahant-Shetti
エス．マハント − シェッティ シバリング
Whoi Yul Kim
ユル キム ホイ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of JPH1056642A publication Critical patent/JPH1056642A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/93—Run-length coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Discrete Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP9111617A 1996-04-30 1997-04-28 画像を復号する方法と装置 Pending JPH1056642A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1707196P 1996-04-30 1996-04-30
US017071 1996-04-30

Publications (1)

Publication Number Publication Date
JPH1056642A true JPH1056642A (ja) 1998-02-24

Family

ID=21780565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9111617A Pending JPH1056642A (ja) 1996-04-30 1997-04-28 画像を復号する方法と装置

Country Status (5)

Country Link
US (1) US6144768A (de)
EP (1) EP0805417A3 (de)
JP (1) JPH1056642A (de)
KR (1) KR100503182B1 (de)
TW (1) TW398127B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070127523A1 (en) * 2005-12-07 2007-06-07 Neil Marrow Enhanced display systems with DVC connectivity
CN100498727C (zh) * 2005-12-19 2009-06-10 国际商业机器公司 矩阵的解压缩方法和设备
CN100442853C (zh) * 2006-06-01 2008-12-10 上海交通大学 游程解码、反扫描、反量化和反变换的方法及装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121216A (en) * 1989-07-19 1992-06-09 Bell Communications Research Adaptive transform coding of still images
EP0443114A3 (en) * 1990-02-23 1993-12-15 Ibm Methods and apparatus for image-data decompression
JPH04282988A (ja) * 1991-03-12 1992-10-08 Sony Corp データ変換装置及び方法
US5285402A (en) * 1991-11-22 1994-02-08 Intel Corporation Multiplyless discrete cosine transform
JP3297742B2 (ja) * 1992-04-13 2002-07-02 ソニー株式会社 画像再生装置及び画像再生方法
KR0148130B1 (ko) * 1992-05-18 1998-09-15 강진구 블럭킹아티팩트를 억제시키는 부호화/복호화 방법 및 그 장치
JP3466705B2 (ja) * 1993-05-28 2003-11-17 ゼロックス・コーポレーション 圧縮画像の圧縮解除方法
US5467131A (en) * 1993-12-30 1995-11-14 Hewlett-Packard Company Method and apparatus for fast digital signal decoding
US5686683A (en) * 1995-10-23 1997-11-11 The Regents Of The University Of California Inverse transform narrow band/broad band sound synthesis
JPH09321731A (ja) * 1996-05-28 1997-12-12 Hitachi Ltd マルチメディア多重化装置

Also Published As

Publication number Publication date
KR970071252A (ko) 1997-11-07
EP0805417A3 (de) 1999-05-12
KR100503182B1 (ko) 2005-10-12
US6144768A (en) 2000-11-07
EP0805417A2 (de) 1997-11-05
TW398127B (en) 2000-07-11

Similar Documents

Publication Publication Date Title
KR100839308B1 (ko) 비디오 또는 이미지 정보를 디코딩하는 방법, 및 비디오 디코더
JP4153425B2 (ja) 変換及びそれに続く量子化の実行
JP3678365B2 (ja) 低ビット深度量子化のための方法
CN100379292C (zh) 对具有n和m维数的媒体数据块进行转换的方法和装置
CA2633897C (en) Transforms with common factors
KR100438856B1 (ko) 능동적인 테이블 생성에의한 양자화/역양자화 방법 및 장치
US20130195177A1 (en) Method and device for the transformation and method and device for the reverse transformation of images
US6067384A (en) Fast scaling of JPEG images
US8199820B2 (en) Intermediate compression of reference frames for transcoding
KR20000034992A (ko) 현상 표시 변환 데이터의 디지털 처리 방법 및 시스템
KR100651316B1 (ko) 정보 스트림 디코더에서 메모리 자원 이용을 증가시키는 방법 및 장치
US20050265445A1 (en) Transcoding videos based on different transformation kernels
KR20110114429A (ko) 영상의 변환 방법 및 장치, 역변환 방법 및 장치
JPH1056642A (ja) 画像を復号する方法と装置
KR950010740B1 (ko) 화상 시스템의 변환부호화(dct)방법과 장치
Kanth et al. JPEG image compression using verilog
JP2000102012A (ja) コサイン変換と量子化装置、影像圧縮装置の乗法演算節減方法、逆量子化と逆コサイン変換装置、及び影像減圧装置の乗法演算節減方法
KR20050061448A (ko) 부호기 내에서 데이터를 통신하는 방법
HK1122622B (en) Implementation of a transform and of a subsequent quantization
KR20000075527A (ko) 엠피이지 비디오 디코딩시의 역 양자화 및 역 주사를 위한 기억장치 및 계산수 감소 방법

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040428

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060728

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070105